package ClassOne.jichu;

public class 数学类 {
    public static void main(String[] args) {
        System.out.println(Math.abs(-12));//绝对值
        System.out.println(Math.abs(12));
        System.out.println(Math.max(1,18));//最大值
        System.out.println(Math.min(90,100));//最小值
    }
}
